Entity welding – Ylands
Overview
Entity welding is feature, which allows to merge multiple entities in to one. Entities welded together will have new, optimized collision envelope, which leads to better performance in game. Welding large structures consisting from hundreds of individual pieces is resource demanding proces and could taje even several minutes to complete, but it is essential optimization tool.
Images below show comparison between welded and unwelded entity, improvement in this particular case is 62%.
Colliders before weld
Colliders after weld
Welding works similar as object grouping, but it is available only for compatible entities. Entity weld is new game object and is threatened in same manner as entity - it can be referenced in script or included in a groups. Weld also provides similar editing options as Object group - it is possible to cancel the weld or edit welded entities on individual level.
Welding entities
When valid entities are selected, Weld entities option in object selection menu will become available. This button will initiate the merge process and create Entity weld. If incompatible entities are selected, they will be automatically excluded from the welding process.
Entities that cannot be welded
- Pickable entities (can be disabled)
- Entities with interactions (e.g chairs, doors)
- Entities with animations (e.g trees, grass)
- Entities in labels
- Entities referenced in script